Nostr geohash (#276)

* first nostr build

* add test file

* internet access

* fix relay manager

* fix serialization

* demo service - remove later

* fix nostr

* event dedupe

* dedupe

* ui wip

* can send messages

* subscription works

* works

* favs

* works

* delete chat on change

* fix mentions

* remove autojoin channels

* styling

* adjust colors

* ui changes

* live updates working

* use local timestamp

* message history in background

* robust

* fixes

* nicknames refresh optimization

* nostr service

* refactor nostr

* style

* geohash works

* centralize colors

* refactoring

* disable DMs for now: click on peer nickname doesnt open chat list in geohash mode

* use local time

* less logging

* robustness

* scroll nickname

* adjust some text

app/src/main/java/com/bitchat/android/onboarding/PermissionExplanationScreen.kt

@@ -219,7 +219,7 @@ private fun PermissionCategoryCard(
                         modifier = Modifier.size(16.dp)
                     )
                     Text(
-                        text = "bitchat does NOT use GPS or track location",
+                        text = "bitchat does NOT track your location",
                         style = MaterialTheme.typography.bodySmall.copy(
                             fontFamily = FontFamily.Monospace,
                             fontWeight = FontWeight.Medium,